20086850920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{177383}}^1$

素因数の和:177562

約数の個数: 64

約数和(自身を含む): 47893680000

約数和(自身を除く): 27806829080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22648, 28310, 56620, 113240, 177383, 354766, 709532, 886915, 1419064, 1773830, 3370277, 3547660, 6740554, 7095320, 13481108, 16851385, 26430067, 26962216, 33702770, 52860134, 67405540, 105720268, 132150335, 134811080, 211440536, 264300670, 502171273, 528601340, 1004342546, 1057202680, 2008685092, 2510856365, 4017370184, 5021712730, 10043425460, 20086850920]

約数ペア:

[(1, 20086850920), (2, 10043425460), (4, 5021712730), (5, 4017370184), (8, 2510856365), (10, 2008685092), (19, 1057202680), (20, 1004342546), (38, 528601340), (40, 502171273), (76, 264300670), (95, 211440536), (149, 134811080), (152, 132150335), (190, 105720268), (298, 67405540), (380, 52860134), (596, 33702770), (745, 26962216), (760, 26430067), (1192, 16851385), (1490, 13481108), (2831, 7095320), (2980, 6740554), (5662, 3547660), (5960, 3370277), (11324, 1773830), (14155, 1419064), (22648, 886915), (28310, 709532), (56620, 354766), (113240, 177383)]